Cita APA (7a ed.)

Bouchier, I. A. (1993). Gastroenterology: Clinical science and practice (2nd ed.). Saunders.

Cita Chicago Style (17a ed.)

Bouchier, Ian A.D. Gastroenterology: Clinical Science and Practice. 2nd ed. London [etc.]: Saunders, 1993.

Cita MLA (9a ed.)

Bouchier, Ian A.D. Gastroenterology: Clinical Science and Practice. 2nd ed. Saunders, 1993.